OPERATORS · TEXAS · P-5 NUMBER 20542

Anadarko E&P Company LP

WindowAll time 90 days 1 year 3 years 10 years

TypeDrill 1726 Recompletion 255 Reenter 3 Other 2 Field transfer 2

99 FILINGS · 66 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 25, 2013	752591	Drill	Tyler	Black Stone Lanier a-23 'a' Unit #1H	18,000	Final completion	45730828	Now Zarvona Energy LLC
Jul 6, 2011	716003	Drill	Tyler	Black Stone Mann a-24 Unit #2H	18,000	—	45730779	—
Jun 16, 2011	716334	Drill	Tyler	Black Stone Hamilton Unit #1H	18,000	Spudded	45730780	Now Zarvona Energy LLC
Jun 16, 2011	716334Amendment	Drill	Tyler	Black Stone Hamilton Unit #1H	18,000	Final completion	45730780	Now Zarvona Energy LLC
Apr 22, 2011	712813	Drill	Tyler	Black Stone Lanier a-23 "C" Unit #1H	16,000	Spudded	45730776	Now Zarvona Energy LLC
Apr 22, 2011	712813Amendment	Drill	Tyler	Black Stone Lanier a-23 'C' Unit #1H	16,000	Final completion	45730776	Now Zarvona Energy LLC
Dec 30, 2010	707658	Drill	Tyler	BP Black Stone a-18 Unit #3H	15,000	—	45730770	—
Oct 1, 2010	700437	Drill	Tyler	Stryker Unit #1H	16,000	Final completion	45730761	Now Zarvona Energy LLC
Jun 21, 2010	697772	Drill	Tyler	Crain-Black Stone a-375 Unit #2H	16,000	—	45730755	—
Mar 25, 2010	693336	Drill	Tyler	Shivers-Black Stone Unit A-7 #3H	16,000	Final completion	45730746	Now Zarvona Energy LLC
Jan 21, 2010	689864	Drill	Tyler	BP Black Stone a-18 Unit #2H	16,000	Final completion	45730742	Now Zarvona Energy LLC
Nov 30, 2009	685390	Drill	Tyler	Black Stone Hanks a-20 Unit #2H	16,000	—	45730739	Now Zarvona Energy LLC
Nov 30, 2009	685390Amendment	Drill	Tyler	Black Stone Hanks a-20 Unit #2H	16,000	Final completion	45730739	Now Zarvona Energy LLC
Sep 1, 2009	683041	Drill	Tyler	Black Stone Minerals a-388 Unit #1H	16,000	—	45730737	Now Zarvona Energy LLC
Sep 1, 2009	683041Amendment	Drill	Tyler	Black Stone Minerals a-388 Unit #1H	16,000	Spudded	45730737	Now Zarvona Energy LLC
Sep 1, 2009	683041Amendment	Drill	Tyler	Black Stone Minerals a-388 Unit #1H	16,000	Final completion	45730737	Now Zarvona Energy LLC
Jul 31, 2009	682101	Drill	Tyler	Sterling-Black Stone a-5 West UT #2H	16,000	Final completion	45730736	Now Zarvona Energy LLC
Jun 10, 2009	681952	Drill	Tyler	Black Stone South a-7 Unit #2H	16,000	Final completion	45730735	Now Zarvona Energy LLC
Jun 2, 2009	680361	Drill	Tyler	Tubb Trust Unit #1H	16,000	Final completion	45730733	Now Zarvona Energy LLC
Jun 2, 2009	680361Amendment	Drill	Tyler	Tubb Trust Unit #1H	16,000	Spudded	45730733	Now Zarvona Energy LLC
Mar 16, 2009	668316Amendment	Drill	Tyler	Black Stone Minerals A-175 #1H	15,000	Final completion	45730714	Now Anadarko E&P Onshore LLC
Mar 6, 2009	662060Amendment	Drill	Tyler	Reid O'Brien Unit #2H	15,000	Final completion	45730706	Now Zarvona Energy LLC
Jan 30, 2009	668468	Drill	Tyler	Black Stone Taylor a-33 Unit #2H	15,500	Spudded	45730715	Now Zarvona Energy LLC
Jan 30, 2009	668468Amendment	Drill	Tyler	Black Stone Taylor a-33 Unit #2H	15,500	Final completion	45730715	Now Zarvona Energy LLC
Jan 30, 2009	668078	Drill	Tyler	Black Stone Lewis East Unit #1H	14,000	—	45730713	—
Jan 21, 2009	675809	Drill	Tyler	Black Stone Mann a-24 Unit #1H	17,000	Final completion	45730727	Now Zarvona Energy LLC
Jan 13, 2009	677133	Drill	Tyler	Black Stone Schmied a-1070 Unit #2H	16,000	—	45730729	—
Nov 17, 2008	674752	Drill	Tyler	Black Stone Minerals a-618 Unit #3H	15,000	Final completion	45730726	Now Zarvona Energy LLC
Nov 13, 2008	674317	Recompletion	Tyler	BP Black Stone a-371 Unit #A 1REH	14,500	Final completion	45730699	Now Zarvona Energy LLC
Sep 25, 2008	670739	Drill	Tyler	Black Stone Schmied a-1070 Unit #1H	16,000	Spudded	45730721	Now Zarvona Energy LLC
Sep 25, 2008	670739Amendment	Drill	Tyler	Black Stone Schmied a-1070 Unit #1H	14,000	Final completion	45730721	Now Zarvona Energy LLC
Aug 29, 2008	668730	Drill	Tyler	Black Stone Lowe a-444 Unit #1H	16,000	Final completion	45730718	Now Zarvona Energy LLC
Aug 22, 2008	668316	Drill	Tyler	Black Stone Minerals A-175 #1H	14,900	Spudded	45730714	Now Anadarko E&P Onshore LLC
Aug 22, 2008	668316Amendment	Drill	Tyler	Black Stone Minerals A-175 #1H	15,000	—	45730714	Now Anadarko E&P Onshore LLC
Aug 22, 2008	668316Amendment	Drill	Tyler	Black Stone Minerals A-175 #1H	15,000	Spudded	45730714	Now Anadarko E&P Onshore LLC
Jul 2, 2008	662060	Drill	Tyler	Reid O'Brien Unit #2H	15,000	—	45730706	Now Zarvona Energy LLC
Jun 19, 2008	658306	Drill	Tyler	Black Stone Taylor a-33 Unit #1H	15,500	Spudded	45730701	Now Zarvona Energy LLC
Jun 19, 2008	658306Amendment	Drill	Tyler	Black Stone Taylor a-33 Unit #1H	14,172	Final completion	45730701	Now Zarvona Energy LLC
May 20, 2008	660832	Drill	Tyler	Black Stone Nolin a-491 Unit #1H	15,500	—	45730705	—
Apr 8, 2008	656176	Drill	Tyler	Black Stone Wheat a-661 Unit #1H	15,000	Final completion	45730698	—
Mar 7, 2008	656860	Drill	Tyler	BP Black Stone a-371 Unit #1AH	14,600	Spudded	45730699	Now Zarvona Energy LLC
Mar 7, 2008	656860Amendment	Drill	Tyler	BP Black Stone a-371 Unit #1AH	14,600	Final completion	45730699	Now Zarvona Energy LLC
Nov 28, 2007	649524	Drill	Tyler	BP Black Stone a-18 Unit #1H	14,500	Spudded	45730687	Now Zarvona Energy LLC
Nov 28, 2007	649524Amendment	Drill	Tyler	BP Black Stone a-18 Unit #1H	14,500	Final completion	45730687	Now Zarvona Energy LLC
Sep 17, 2007	645873	Drill	Tyler	Black Stone Minerals A-206 #2H	15,000	Final completion	45730683	Now Zarvona Energy LLC
Aug 22, 2007	642543	Drill	Tyler	Lucas a-24 Unit #2H	13,500	Final completion	45730676	Now Zarvona Energy LLC
Aug 21, 2007	641085	Drill	Tyler	Black Stone Hanks a-20 Unit #1H	14,200	Spudded	45730675	Now Zarvona Energy LLC
Aug 21, 2007	641085Amendment	Drill	Tyler	Black Stone Hanks a-20 Unit #1H	14,200	Final completion	45730675	Now Zarvona Energy LLC
Aug 9, 2007	643637	Drill	Tyler	Black Stone Sutton a-9 Unit #1H	14,000	Final completion	45730678	Now Zarvona Energy LLC
Jul 31, 2007	642762	Drill	Tyler	BP Black Stone a-371 Unit #1H	14,600	Spudded	45730677	—